I have never used a single cup coffee maker before. Got this because I was tired of making coffee in a big pot.Boy was I surprised at the ease of making a single cup of coffee.It comes with two brew baskets.One for ground and one for K- cups .I had never used a K-cup before,The slim design of the coffee maker is fabulous .It can make from 6 to 14 ounces. That's a cup or if you are on the go a travel mug. The cup rest has a storage area inside  for the brew basket that you are not using. You remove the cup rest when making a travel mug of coffee . It's the most easiest coffee maker I have ever used .And it's so easy to clean.Glad I got this flex brew maker. Never will I ever use anything but this ever again.